<template>
    <div class="goods-list">
      <div class="goods-item" v-for="item in goodsList" :key="item.id">
        <router-link :to="{ name: 'goodsDetail', params: { id: item.id } }">
          <van-image
            width="150"
            height="150"
            :src="item.picture"
          />
          <h1 class="title">{{ item.name }}<span class="small">{{ item.spec }}</span></h1>
          <p class="info">
            <span class="price">¥{{ item.price }}</span>
            <span class="sell">剩余 {{ item.stock }} 件</span>
          </p>
        </router-link>
      </div>
      <van-button class="more" :disabled="is_last" v-if="goodsList.length !== 0" size="large" type="primary" plain hairline @click="getMore">加载更多</van-button>
    </div>
  </template>
<script setup>
import { onMounted,ref } from 'vue'
import { getGoodsList } from '../api'
import { showToast } from 'vant'
const goodsList = ref([])
const is_last = ref(false)
let last_id = '0'
const props = defineProps({
    category_id: String
})
onMounted(() => {
    loadGoodList()
})
const getMore = () => {
loadGoodList()
}
const loadGoodList = async () => {
    let params = {
last_id,
category_id: props.category_id,
pagesize: 4
}
const data = await getGoodsList(params)
if (data.length > 0) {
goodsList.value = goodsList.value.concat(data)
last_id = data[data.length - 1].id
} else if (goodsList.value.length > 0) {
showToast({
message: '已经到达底部',
type: 'fail'
})
is_last.value = true
} else {
showToast({
message: '列表为空',
type: 'fail'
})
}
}
</script>
<style lang="less" scoped>
.goods-list {
display: flex;
flex-wrap: wrap;
padding-left: 10px;
clear: both;
.goods-item {
width: calc(calc(100% / 2) - 12px);
margin: 10px 10px 0 0;
display: flex;
flex-direction: column;
justify-content: space-between;
border-radius: 10px;
border: 1px solid #efeff4;
padding: 10px 0;
clear: both;
.title {
text-align: left;
font-size: 14px;
color: #333;
margin: 10px 0 0;
padding: 0 5px;
.small {
font-size: 12px;
padding-left: 2px;
color: #999;
}
}
.info {
display: flex;
justify-content: space-between;
margin-bottom: 0;
padding: 0 5px;
.price {
color: red;
font-weight: bold;
font-size: 16px;
}
.sell {
font-size: 13px;
color: #999;
}
}
}
.more {
margin: 40px 20px 40px 10px;
font-size: 14px;
}
}
</style>